2123144043 has 8 divisors (see below), whose sum is σ = 2831650368. Its totient is φ = 1415033544.

The previous prime is 2123144021. The next prime is 2123144063. The reversal of 2123144043 is 3404413212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123144043 - 2²⁰ = 2122095467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123144063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86205 + ... + 108062.

It is an arithmetic number, because the mean of its divisors is an integer number (353956296).

Almost surely, 2^2123144043 is an apocalyptic number.

2123144043 is a deficient number, since it is larger than the sum of its proper divisors (708506325).

2123144043 is a wasteful number, since it uses less digits than its factorization.

2123144043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197913.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2123144043 is about 46077.5872089674. The cubic root of 2123144043 is about 1285.2663970490.

Adding to 2123144043 its reverse (3404413212), we get a palindrome (5527557255).

The spelling of 2123144043 in words is "two billion, one hundred twenty-three million, one hundred forty-four thousand, forty-three".